Upper Colorado snowpack › Colorado Headwaters › High Lonesome

High Lonesome snowpack

NRCS SNOTEL station 1187 at 10,630 ft in Grand County, Colorado, in the Colorado Headwaters basin, with daily records since Sep 4, 2013. Latest reading Oct 29, 2026.

Snow water equivalent
—
of the 1991–2020 median for this date · — of average
SWE today
0 in
median — in · average — in
Water-year precipitation
—
of average since Oct 1 · 0.8 in vs. — in
Toward the normal peak
—
of the average peak, — in around Oct 1

This water year against the normals

Water year 2027Water year 2026
0 5 10 OctNovDecJanFebMarAprMayJunJulAugSep normal peak, Oct 1
Daily snow water equivalent at High Lonesome, in inches, October through September, against the station's 1991–2020 median and average.

Water-year precipitation

Water year 2027Water year 2026
0 5 10 15 20 OctNovDecJanFebMarAprMayJunJulAugSep
Precipitation accumulated since October 1, in inches (rain and snow together), against the 1991–2020 average.

Peak snowpack by water year

Since 2014 this station's snowpack has peaked as high as 25.9 in (Apr 14, 2014) and as low as 11.9 in (Mar 17, 2026). The 1991–2020 average peak is — in around Oct 1.

Water yearPeak SWE (in)Peak date% of normal peakApril 1 SWE (in)Days of data
2026 11.9 Mar 17, 2026 — 8.5 365
2025 20.2 Apr 5, 2025 — 19.7 365
2024 24.7 May 11, 2024 — 21.8 366
2023 22.3 Apr 7, 2023 — 21.4 365
2022 22.7 Apr 17, 2022 — 19.4 365
2021 20 Apr 24, 2021 — 17.5 365
2020 20.6 Apr 26, 2020 — 18.7 366
2019 21.9 Apr 14, 2019 — 19.8 365
2018 18.3 Apr 15, 2018 — 14.6 365
2017 17.7 Apr 5, 2017 — 16.6 365
2016 23.4 May 11, 2016 — 20.3 366
2015 17.3 May 24, 2015 — 14.9 365
2014 25.9 Apr 14, 2014 — 24.8 365

Water years with fewer than 150 days of data are omitted. Data: NRCS National Water and Climate Center AWDB (station 1187:CO:SNTL), pulled nightly; current-year values are provisional. Station location: 40.0359, -105.7547. Other stations in the Colorado Headwaters basin are listed on the basin page.